Tripneustes parkinsoni echinoid fossil on display at The Museo Civico di Storia Naturale di Milano (Milan Natural History Museum), Ital...

When I travel to places I tend to keep an eye out for fossils used in building materials. Recently while visiting St. Peter's Basilic...

This image is of an Amussium cristatum pelecypod fossil. The creature existed in the Pliocene Epoch and was found at Cinciano Grosse...